YAA Yet Another Acronym YAB Yet Another Blog YAC Yards After Catch YAC Yeast Artificial Chromosome YAD You Are Dead YAE Yet another Apple II Emulator YAF Yankee Air Force YAF Young America's Foundation YAG Years AGo YAG Yttrium Aluminum Garnet YAH You Are Here YAI Yet Another Interview YAJ You Are Joking YAK Year Ten [!] Thousand [!] YAL Yemeni American League YAM Yet Another Mailer YAM Yet Another Mistake YAM Yet Another Modem YAN Yes And No YAN Yet Another NAS YAO Youth Action Online YAP Yahoo Application Platform YAP Yet Another Platform YAP Yet Another Proxy YAQ Yet Another Question YAR Young Adult Representative YAS Youth After School YAT Yet Another TLA YAT Youth Asociation Team YAU Youth Affairs Unit YAV Yuppie Assault Vehicle YAW Yet Another Weblog YAW You're A Wanker YAY Yet Another YACC YBA Young Buddhist Association YBB You've Been Beaten YBC Yttrium-Barium-Copper YBD You Back Down YBE Yearly Basic Exemption YBF You've Been Framed YBG Youth Baseball Glove YBH You've Been Had YBI Youth Business International YBJ Youth Bowl Japan YBK Why Be Killed [!] YBL You've Been Lazy YBM YouthBuild McLean YBN Young Blood Needed YBO Young Bucks Outdoors YBP [Coalition of] Young Black Professionals YBR Yellow Brick Road YBS Yaron Brook Show YBS Your Big Sister YBU Yellow Book Update YBW Yachting and Boating World YBX Young Brothers' eXchange YBY Yarmouth Boat Yard YCA Yokogawa Corporation of America YCB Youth Coordinating Board YCC Youth Conservation Corps YCD You Certainly Do YCD Youth Community Development YCE You Can't Enter YCF Yankee Critical Facility YCG Young Carmelite Group YCH Youth Crisis Hotline YCI Youth Challenge International YCJ Young Champions for Jesus YCL Young Communist League YCM Youth Council of Montenegro YCN Youth Challenge Network YCO York College Observatory YCP Youth Collaboration Project YCQ Yacht Club of Quebec YCR Youth Council Representative YCS You Can't be Serious YCT You Can't Type YCU Yard Craft, Utility YCV Youth Council Voice YCW You Can't Win YCX Youth Club eXtreme YCY Youth Council of Yugoslavia YCZ Youth for Christ Zimbabwe YDA Young Democrats of America YDB Yamaha Drum Bag YDB Younger Drias Boundary YDC Youth for Development and Co-operation YDD YOLO Driven Development YDD Youth Development Department YDE Youth Development through Employment YDF Youth Deliberative Forum YDG Yard De-Gaussing vessel YDI Young Design, Incorporated YDI Youth Development International YDJ Youth Development Journal YDK You Don't Know YDL YAMI Definition Language YDL Yellow Dog Linux YDL Youth Development Leadership YDM You Da Man YDN Youth Development Network YDO Youth Development Officer YDP Youth Development Program YDQ Your Daily Quiz YDS Young Democratic Socialists YDT Yardcraft, Diving Tender YDT Yukon Daylight Time YDU You Don't Understand YDV Young Dumb and Violent YDW Youth Development Worker YDY Youth Defending Youth YDZ Youth Development Zone YEA Youth Environmental Associates YEB Young Entrepreneurs at Berkeley YEC Youth Evangelical Conference YED Yeovil Electronic Developments, Limited YEE Youth and Environment Europe YEF Young Engineers Forum YEG Youth Experiencing God YEH Youth Enterprise Hub YEI Youth for Energy Independence YEJ Youth Encounter Jesus YEK Youth Entrepreneurs of Kansas YEL YEL Electronics Limited YEM Youth Empowerment Mission YEN Youth of European Nationalities YEO Your Eyes Only YEP Young Ethnic Professional YEP Youth Empowerment Project YEQ Young Engineers Queensland YER Youth En Route YES Yalta European Strategy YES Young Engineers Society YES Young Enterprise Schotland YES Young Epidemiology Scholars YES Your Extertainment Spot YES Youth Education Series YES Youth Employability Support YET You're Eligible, Too YEU Yukon Employees Union YEV Yazaki EDS Vietnam, Ltd. YEW Youth Encounter Weekend YEX Youth EXchange YEY Young Engineer of the Year YEZ Youth Enterprise Zone YFA Youth For Achievements YFB Youth For Boost YFC Young Farmers' Club YFD Yard Floating Drydock YFE Youth For Europe YFF Your Friend Forever YFG Young Fine Gael YFH Youth For Health YFI Youth and Family Institute YFJ Youth For Justice YFL Youth For Life YFM Youth and Family Ministry YFN Young Feminist Network YFO Youth Forum Online YFP Your Fucking Problem YFP Youth For Peace YFQ Yet another Fair Queuing YFR Youth Fellowship Rally YFS Yachts For Sale YFT Youth Facilitator Team YFV Yellow Fever Virus YFW Yes Fucking Way YFW Youth For Work YFX Youth Field Xpress YFY Youth For Youth YFZ Youth Forum Zambia YGA Yorkshire Game Angling YGB Youth Group Band YGC Youth Gone Crazy YGD Youth Gubernatorial Debate YGE Youth Grantmaking Entity YGF You Go First YGG Youth Garden Grant YGH Youth Guest House YGI Youth Garden Internship YGK Yamato Gate Keepers YGL Yilgarn Gold Limited YGL Young Global Leaders YGM You've Got Mail YGN Young Generation Network YGO Yagi Genetic Optimizer YGP Your Golf Professional YGR Young Game Reviewer YGS Youth Gang Survey YGT Young Graduate Trainee YGU Yamanashi Gakuin University YGV Yorkshire Gay Vegetarians YGW Young Georgia Writers YHA Youth Hostels Association YHB Youth Health Breaks YHC Young Harris College YHD Your Home Doctor YHE Yale Hook & Eye Company YHF Ypsilanti Heritage Foundation YHG Young Homelessness Group YHH Yosemite Highway Herald YHI Youth Health Initiative YHJ Young Horse Jumper YHL You Have Lost YHM Yankee Hill Machine Company, Inc. YHM You Have Mail YHN Your Humble Narrator YHO Youth Hostel Organisation YHP Your Home Page YHQ Yokogawa HeadQuarters YHR Yakima Herald-Republic YHS Yorktown High School YHS Your Humble Servant YHV Yellow-Head Virus YHW Your HomeWork YHX Youth Hospitality eXchange YHY Youth Helping Youth YIA Youth In Action YIB Years In Business YID Y-Input Data YIE Yankee Invention Exposition YIF Your Incredible Future YIG Yttrium Iron Garnet YII Yes It Is YIJ Young Indiana Jones YIL Yahoo! Internet Life YIM Yahoo Instant Messenger YIM Youth In Ministry YIN Youth Intervention Network YIO Youth Involvement Ontario YIP Young Inventors Program YIQ Youth Interplay Queensland YIR Year In Review YIT Youth In Transition YIU Youth Issues Unit YIV Youth Internet Volunteer YIW Youth In Wilderness YIX Yahoo! Internet eXchange YIY Yoga Is Youthfulness YIZ Youth In Zambia YJA Young Jains of America YJB Youth Justice Board YJC Young Jewish Care YJE Yale Jazz Ensemble YJH Yale Junior High YJI Yong Jin Industrial Company YJJ Yale Judaica Journal YJK Young Jedi Knight YJL Young Jewish Leadership YJN Young Jedi Niagara YJO Youth Jazz Orchestra YJP Young Jewish Professional YJQ Yellow Jacket Quadrangular YJR Youth Justice Renewal YJS Youth Justice Services YJT Youth Justice Team YJU Youth Justice Unit YJV Youth-Junior Volleyball YJX Young Jewish eXperience YJZ Yellow Jacket Zone YKC Yale Kendo Club YKD Yukon-Kuskokwim Delta YKH Yung Kong Holdings YKM You're Kidding Me YKN Yukon, Kuskokwim, and Norton Sound YKR Yalu King Ranch YKS Yamashita Karate Studio YKT Yeast Killer Toxin YKU Young Koreans United YKW You Know Who YKY Young Kettle's Yard YLA Youth Leadership Academy YLB Youth League Baseball YLC Youth Leadership Conference YLD [ABA] Young Lawyers Division YLE Young Learners English YLF Youth Leadership Forum YLG Youth Libraries Group YLH Your Logo Here YLI Youth Leadership Institute YLJ Youth Leadership Jacksonville YLL Young Labor Left YLN Yorkshire Library News YLO Youth Leadership Omaha YLP Yosemite Lakes Park YLR Youth Leader Retreat YLS Youth Leadership Seminar YLT Youth Leadership Training YLU Youth Leaders University YLX Youth Leadership eXchange YLZ You LoZe YMA Yamaha Motor Australia YMA Yokohama Museum of Art YMA Young Media Australia YMA Young Menswear Association YMA Young Mizo Association YMA Young Musicians & Artists YMA Young Muslim Association YMA Youth Ministry Associates YMB Yahoo Mail Beta YMB Yeast Mannitol Broth YMB You Mad, Bro? YMB Young Members Board YMB Yukon Municipal Board YMC Yale Model Congress YMC Yellow-Magenta-Cyan YMC Yongsan Motorcycle Club YMC Young Movers Conference YMC Young Musicians' Competition YMC Youth Marti Coalition YMC Youth Media Council YMC Youth Ministry Conference YMD Y-Maze Discrimination YMD Yale Microarray Database YMD Yazoo Mississippi Delta YMD Year, Month, Date YMD Young Mental Drylaw YMD Youth Movement for Democracy YME Yahoo! Music Engine YME Yamaha Motor Europe YME Yellow Medicine East [Minnesota] YME You're My Everything YME Young Men's Ensemble YME Young Money Entertainment YME Your Music Entertainment YMF Yamaha Motor Finance YMF Yamaha Music Foundation YMF Young Married Fellowship YMF Young Member Forum YMF Young Musicians Foundation YMF Younger Member Forum YMF Yufuin Music Festival YMG Yaakov Mordechai Gerstner YMG Yacht Management Group YMG Yale Medical Group YMG Yorkshire Monochrome Group YMG Young Marble Giants YMG Young Men's Group YMG Young Mersey Golfers YMG Your Move Games YMH Yakima Morning Herald YMH Yang-Mills-Higgs YMH Young Musicians Hebrides YMI Yang-Ming International Corporation YMI Youden Misclassification Index YMI Young Minds Inspired YMI Youth Media Institute YMI Youth Media International YMI Youth Ministry Initiative YMJ Yahoo! Music Jukebox YMJ Yo Mama Joke YMJ Yokohama Mathematical Journal YMJ Yonsei Medical Journal YML whY a Markup Language YML Yaml Ain't Markup Language YML Yay My Life! YML Young Mother's League YML Your Mac Life YML Youth Ministry Lab YMM Yamamoto Moss Mackenzie YMM Year, Make and Model YMM Yellow Mustard Mucilage YMM Young Money Manager YMM Young Muslim Male YMM Youth Movement for Mizoram YMN Yarn Market News YMN Young Marist Neighbours YMN Young Mathematicians Network YMN Young Mayor Network YMN Youth Media Network YMO Yellow Magic Orchestra YMO Young Medical Oncologists YMO Young Muslim Organisation YMP Young Master Program YMP Young Media Professionals YMP Youth Master Plan YMP Youth Mentoring Program YMP Yucca Mountain Project YMR Yellow Mustang Registry YMR Yoga Meditative Relaxation YMR Yoshida Medical Research YMR Youth Male Release YMR Youth Movement Records YMR Yuki Management and Research [Company Ltd] YMS Yacht Management System YMS Yale Medical School YMS Yamaha Music Schools YMS Yard class MineSweeper YMS Yard Management Software YMS Yard Management System YMS Yard Mine Sweeper YMS Yardley Management Solutions YMS Yardley-Makefield Soccer YMS Yatton Music Society YMS Yerger Middle School YMS Yield Management Solutions YMS Yield Management System YMS Yokosuka Middle School YMS York Med Systems, Inc YMS York Merchandising Systems YMS York Middle School YMS Yorktown Middle School YMS Yorkville Middle School YMS Yosemite Mountaineering School YMS Young Marine Scientists YMS Young Members' Section YMS Young Men's Shop YMS Young Men's Survey YMS Young Musicians Society YMS Young Musicians' Summer Festival YMS Young Muslim Secretariat YMS Younger people affected by Multiple Sclerosis YMS Youth Marketing Summit YMS Ysterplaat Medical Supplies YMT Yanko Moto Tours YMT Young Managers Team YMT Youth Mission Team YMT Youth Music Tasmania Inc YMT Youth Musical Theatre YMU Y-Net Management Unit YMU Young Mum's Unit YMV Yale Men's Volleyball YMV Yeahronimo Media Ventures, Inc. YMV Yellow Mosaic Virus YMV Young Musicians of Virginia YMW Yahoos Most Wanted YMW You're Most Welcome YMX Youth Ministry eXchange YMY Your Message Yesterday YMY Youth Meeting Youth YMZ Your Music Zone YOB Year Of Birth YOS Yoper Operating System YOS Your Operating System YOU YaST Online Update YOY Year-On-Year YPC YaBB Password Center YPC Yeast PathCalling YPC Yelverton Paperweight Centre YPC Yerevan Press Club YPC Yorkshire Paintball Centre YPC Young Parents Center YPC Young People's Centre YPC Young People's Chorus YPC Young People's Congregation YPC Young Peoples Concerts YPC Young Professionals Committee YPC Young Professionals Connection YPC Young Professionals for Children YPC Young Professionals of Chicago YPC Young Pysicists' Conference YPC Youth, Power and Change YPC Yukon Pacific Corporation YPM Yes Prime Minister YPO Young President's Organization YPS Yoyodyne Propulsion Systems YQA Yorkshire Quality Alliance YQA Your Questions Answered YQB Your Quit Brother YQG York Quilters' Guild YRO Your Rights Online YRS Ysgarth Rules System YRU Your Republican Uncle YSL Young, Sexy, Lovely YSL Yves Saint Laurent YSM Yourdon Structured Method YSO Young Stellar Object YST Yukon Standard Time YTB You Terrible Bastard YTB You're The Best YTD Year To Date YTO YouTube Options YTY Year To Year YUI Yahoo! User Interface [Library] YUM Yellow Dog Updater Modified YUP Young Urban Professional YVO Yellowstone Volcano Observatory YXK Year Ten [!] Thousand [!]